Null pointer dereference in PHP - #VU8966

Vulnerability identifier: #VU8966

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to null pointer dereference in zend_mm_alloc_small(). A remote attacker can cause the application to crash.

PHP

Update to version 7.0.25 or 7.1.11.

• http://php.net/ChangeLog-7.php#7.0.25
• http://php.net/ChangeLog-7.php#7.1.11

• Multiple vulnerabilities in PHP